The total sales S (in thousands) of a video game are given byat²S(t)=t2 +bwhere a = 90, b = 49, and t is the number of months since the release of the game.Find S(10) and S' (10).Use these results to estimate the total sales after 11 months. Do NOT compute the totalsales after 11 months.approximatelyvideo games after 11 months

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Answered: The total sales S (in thousands) of a…

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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Suppose that 40 deer are introduced in a protected area. The population of the herd P can be modeled by P = 40 + 20x / 1 + .05x where x is the time in years since introducing the deer. Determine the time required for the deer population to reach 200.
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The percent of high school students who smoked cigarettes on 1 or more of the 30 days preceding the survey is given by y = -0.064x² +0.277x +33.715, where x is the number of years after 1990. During what years from 1990 on is the percent greater than 30%? From to the percent is greater than 30%. (Round up to the nearest year as needed.)
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